Entrance to the gallery of a lesser corn stalk borer. This entrance is usually seen in conjunction with a sandy, silken tub from the entrance to the soil below.
Common Name: Lesser cornstalk borer (mistakenly called bud worm)
Scientific Name: Elasmopalpus liqnosellus (Zeller)
Description: The damaging larval stage of this insect is about 1/2 inch (12.7 mm) long. It is bluish green with purple or brown bands encircling the body. The adult is a tiny moth.